having not a single copper
It's a Chinese idiom. Pinyin is B ù m í ngy ī w é n, which means to describe extreme poverty with no money. From Li Zicheng.
The origin of Idioms
Yao xueyin's Li Zicheng, Volume 2, Chapter 16: "brother, I understand that my half life's calligraphy and sword are wandering, I'm living in the world, and I'm not a penny in my pocket."
Idiom usage
How can he get it? He can only borrow money from his relatives and friends. (the first time of Huang Xiaopei's damabian in Qing Dynasty) he was in a difficult life and was penniless.
having not a single copper
draw the bow both on the left and right - zuǒ yòu kāi gōng